/* {{{ MarkersSaveRequest.java - I/O request
* :tabSize=4:indentSize=4:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* based on jEdit.buffer.BufferSaveRequest (Copyright (C) 2000, 2005 Slava Pestov)
* Copyright (C) 2005 Martin Raspe
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}} */
package org.gjt.sp.jedit.bufferio;
//{{{ Imports
import java.io.*;
import java.util.List;
import org.gjt.sp.jedit.*;
import org.gjt.sp.jedit.io.*;
import org.gjt.sp.util.*;
//}}}
/**
* A save request for markers. Factored out from BufferSaveRequest.java
*
* @author Martin Raspe
* created May 20, 2005
* modified $Date: 2006/03/10 12:49:17 $ by $Author: hertzhaft $
*/
public class MarkersSaveRequest extends Task
{
//{{{ Constants
public static final String ERROR_OCCURRED = "MarkersSaveRequest__error";
//}}}
//{{{ MarkersSaveRequest constructor
/**
* Creates a new I/O request for markers.
* @param view The view
* @param buffer The buffer
* @param session The VFS session
* @param vfs The VFS
* @param path The path
*/
public MarkersSaveRequest(View view, Buffer buffer,
Object session, VFS vfs, String path)
{
this.view = view;
this.buffer = buffer;
this.session = session;
this.vfs = vfs;
this.path = path;
this.markersPath = Buffer.getMarkersPath(vfs, path);
} //}}}
//{{{ run() method
@Override
public void _run()
{
OutputStream out = null;
try
{
// the entire save operation can be aborted...
// setAbortable(true);
// We only save markers to VFS's that support deletion.
// Otherwise, we will accumilate stale marks files.
if((vfs.getCapabilities() & VFS.DELETE_CAP) != 0)
{
if(buffer.getMarkers().isEmpty())
vfs._delete(session,markersPath,view);
else
{
String[] args = { vfs.getFileName(path) };
setStatus(jEdit.getProperty("vfs.status.save-markers",args));
out = vfs._createOutputStream(session,markersPath,view);
if(out != null)
writeMarkers(out);
}
}
}
catch(IOException io)
{
Log.log(Log.ERROR,this,io);
buffer.setBooleanProperty(ERROR_OCCURRED,true);
}
finally
{
IOUtilities.closeQuietly((Closeable)out);
}
} //}}}
//{{{ writeMarkers() method
private void writeMarkers(OutputStream out)
throws IOException
{
Writer o = new BufferedWriter(new OutputStreamWriter(out));
try
{
List<Marker> markers = buffer.getMarkers();
synchronized (markers)
{
setMaximum(markers.size());
for(int i = 0; i < markers.size(); i++)
{
setValue(i+1);
Marker marker = markers.get(i);
o.write('!');
o.write(marker.getShortcut());
o.write(';');
String pos = String.valueOf(marker.getPosition());
o.write(pos);
o.write(';');
o.write(pos);
o.write('\n');
}
}
}
finally
{
o.close();
}
} //}}}
//{{{ Instance variables
protected View view;
protected Buffer buffer;
protected Object session;
protected VFS vfs;
protected String path;
protected String markersPath;
//}}}
}